net/systemeD/halcyon/TagViewer.mxml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <mx:VBox
   3         xmlns:mx="http://www.adobe.com/2006/mxml"
   4         xmlns:halcyon="net.systemeD.halcyon.*"
   5     backgroundColor="white"
   6     creationComplete="loadFeatures()">
   7
   8   <mx:ViewStack id="stack" width="100%" height="100%">
   9   <mx:VBox width="100%" height="100%" label="Simple">
  10     <mx:HBox borderStyle="inset" verticalAlign="middle" width="100%" paddingLeft="3" id="iconContainer">
  11         <mx:Image id="iconImage"/>
  12         <mx:VBox width="100%" verticalGap="1">
  13           <mx:PopUpButton id="popupChange" creationComplete="initFeatureBox()" openAlways="true" width="100%"/>
  14           <mx:Text condenseWhite="true" width="100%" id="iconText"/>
  15         </mx:VBox>
  16         <mx:LinkButton label="?" click="openDescription()" id="helpLabel"/>
  17     </mx:HBox>
  18   </mx:VBox>
  19
  20   <mx:VBox width="100%" height="100%" label="Advanced" initialize="checkAdvanced()" verticalGap="1">
  21     <mx:Label id="advancedID">
  22       <mx:htmlText><![CDATA[<i>No Selection</i>]]></mx:htmlText>
  23     </mx:Label>
  24
  25     <mx:DataGrid editable="true" width="100%" height="100%" id="advancedTagGrid">
  26             <mx:columns>
  27                 <mx:DataGridColumn editable="true" dataField="key" headerText="Key"/>
  28                 <mx:DataGridColumn editable="true" dataField="value" headerText="Value"/>
  29             </mx:columns>
  30     </mx:DataGrid>
  31
  32     <mx:HBox horizontalAlign="right" width="100%">
  33       <mx:LinkButton label="Delete" click="removeTag()"/>
  34       <mx:LinkButton label="Add" click="addNewTag()"/>
  35     </mx:HBox>
  36   </mx:VBox>
  37
  38   </mx:ViewStack>
  39
  40   <mx:LinkBar dataProvider="{stack}"/>
  41
  42   <mx:Script><![CDATA[
  43       import net.systemeD.halcyon.connection.*;
  44       import net.systemeD.halcyon.mapfeatures.*;
  45
  46       import mx.collections.*;
  47       import mx.containers.*;
  48       import mx.events.*;
  49       import mx.core.*;
  50       import mx.managers.PopUpManager;
  51       import flash.geom.Point;
  52
  53       private var mapFeatures:MapFeatures;
  54       private var selectedEntity:Entity;
  55       private var collection:ArrayCollection;
  56       private var tw:CategorySelector = null;
  57       private var feature:Feature = null;
  58
  59       public function setEntity(entity:Entity):void {
  60           if ( selectedEntity != entity ) {
  61               if ( selectedEntity != null )
  62                   selectedEntity.removeEventListener(Connection.TAG_CHANGE, tagChanged);
  63               selectedEntity = entity;
  64               selectedEntity.addEventListener(Connection.TAG_CHANGE, tagChanged);
  65           }
  66
  67           if ( advancedID != null )
  68               setupAdvanced(entity);
  69
  70           refreshFeatureIcon();
  71       }
  72
  73       private function refreshFeatureIcon():void {
  74           feature = mapFeatures.findMatchingFeature(selectedEntity);
  75           if ( feature != null )
  76               setFeatureIcon(selectedEntity, feature);
  77           else
  78               blankFeatureIcon(selectedEntity);
  79       }
  80
  81       private function setFeatureIcon(entity:Entity, feature:Feature):void {
  82           blankFeatureIcon(entity);
  83
  84           iconImage.source = feature.image;
  85
  86           var txt:String = feature.htmlDetails(entity);
  87           iconText.htmlText = txt;
  88           popupChange.label = feature.name;
  89       }
  90
  91       private function blankFeatureIcon(entity:Entity):void {
  92           iconImage.source = null;
  93           iconText.htmlText = entity == null ?
  94                "<i>Nothing selected</i>" :
  95                "<b>Not recognised</b><br/>Try looking at the tags under the advanced properties";
  96           popupChange.label = "unknown";
  97       }
  98
  99       private function checkAdvanced():void {
 100           if ( selectedEntity != null )
 101              setupAdvanced(selectedEntity);
 102       }
 103
 104       private function setupAdvanced(entity:Entity):void {
 105           var entityText:String = "xx";
 106           if ( entity is Node ) entityText = "Node";
 107           else if ( entity is Way ) entityText = "Way";
 108           else if ( entity is Relation ) entityText = "Relation";
 109
 110           advancedID.htmlText = entityText+": <b>"+entity.id+"</b>";
 111
 112           if ( collection == null ) {
 113               collection = new ArrayCollection();
 114               //var sort:Sort = new Sort();
 115               //sort.fields = [new SortField("key", true)];
 116               //collection.sort = sort;
 117               //collection.refresh();
 118               advancedTagGrid.dataProvider = collection;
 119           }
 120           collection.removeAll();
 121           var tags:Array = entity.getTagArray();
 122           tags.sortOn("key");
 123           for each(var tag:Tag in tags)
 124               collection.addItem(tag);
 125       }
 126
 127       private function tagChanged(event:TagEvent):void {
 128           refreshFeatureIcon();
 129
 130           if ( collection != null ) {
 131               // check to see if the key is already in our list
 132               var exists:Boolean = false;
 133               var tag:Tag = null;
 134               var i:uint;
 135               for ( i = 0; i < collection.length && !exists; i++ ) {
 136                   tag = Tag(collection.getItemAt(i));
 137                   exists = tag.key == event.key;
 138               }
 139               if ( !exists ) {
 140                   tag = new Tag(selectedEntity, event.key, event.newValue);
 141                   collection.addItem(tag);
 142                   collection.refresh();
 143               } else {
 144                   if ( event.newValue == null ) {
 145                       collection.removeItemAt(i-1);
 146                       collection.refresh();
 147                   }
 148               }
 149           }
 150       }
 151
 152       public function loadFeatures():void {
 153           mapFeatures = MapFeatures.getInstance();
 154       }
 155
 156       public function openDescription():void {
 157           trace("open description here");
 158       }
 159
 160       public function addNewTag():void {
 161           var newKey:String = "(new tag)";
 162           var newTag:Tag = new Tag(selectedEntity, newKey, "(new value)");
 163           collection.addItem(newTag);
 164           advancedTagGrid.editedItemPosition = {rowIndex: collection.getItemIndex(newTag), columnIndex: 0};
 165       }
 166
 167       public function removeTag():void {
 168           var k:String = advancedTagGrid.selectedItem.key;
 169           selectedEntity.setTag(k, null);
 170       }
 171
 172       public function initFeatureBox():void {
 173           tw = new CategorySelector();
 174           tw.addEventListener("selectedType", changeFeatureType);
 175           popupChange.popUp = tw;
 176       }
 177
 178       public function changeFeatureType(event:Event):void {
 179           if ( selectedEntity == null )
 180               return;
 181
 182           // remove tags from the current feature
 183           if ( feature != null ) {
 184               for each( var tag:Object in feature.tags ) {
 185                   selectedEntity.setTag(tag["k"], null);
 186               }
 187           }
 188
 189           // set tags for new feature
 190           for each( var tag:Object in tw.selectedType.tags ) {
 191               selectedEntity.setTag(tag["k"], tag["v"]);
 192           }
 193
 194           trace("w000t "+tw.selectedType);
 195           popupChange.close();
 196       }
 197   ]]></mx:Script>
 198 </mx:VBox>
 199